1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <locale>
10 
11 // wbuffer_convert<Codecvt, Elem, Tr>
12 
13 // streambuf *rdbuf(streambuf *bytebuf);
14 
15 // XFAIL: libcpp-has-no-wide-characters
16 
17 #include <locale>
18 #include <codecvt>
19 #include <sstream>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 
main(int,char **)24 int main(int, char**)
25 {
26     typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
27     {
28         std::stringstream s;
29         B b;
30         assert(b.rdbuf() == nullptr);
31         b.rdbuf(s.rdbuf());
32         assert(b.rdbuf() == s.rdbuf());
33     }
34 
35   return 0;
36 }
37